Comparison of Grumman Gulfstream I and Martin 4-0-4

Attribute	Martin 4-0-4 ×	Grumman Gulfstream I ×
General
Manufacturer	Glenn L. Martin Company	Grumman
Model	Martin 4-0-4	Grumman Gulfstream I
Country	United States	United States
Manufactured from (year)	1951	1959
Manufactured to (year)	1953	1969
Type	Passenger Turbo Props	Twin Turboprops
Icao	M404	G159
Performance
Engine	2x Pratt & Whitney R-2800-CB16	2x Rolls-Royce Dart 529-8X
Power, hp (hp)	2,400	2,185
Avionics	-	Collins VHF comms and VHF navs
Max cruise speed (km/h)	502	559
Approach speed (km/h)	130	-
Travel range (km)	4,260	4,093
Service ceiling (m)	8,839	10,241
Rate of climb (m/sec)	9.68	9.65
Take off distance (m)	600	1,508
Landing distance (m)	530	1,066
Weights
Max take off weight (kg)	20,366	15,921
Max landing weight (kg)	18,231	15,551
Max payload (kg)	4,050	1,271
Fuel tank capacity (l)	7,571	5,459
Baggage volume (m³)	-	2.83
Dimensions
Seats	4	24
Cabin height (m)	-	1.86
Cabin width (m)	-	2.23
Cabin length (m)	-	9.91
Exterior length (m)	22.7	19.48
Tail height (m)	8.6	-
Fuselage diameter (m)	2.9	-
Wing span (m)	28.42	23.96
Wing tips	No Winglets	No Winglets